<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@page import="java.sql.*" %>
<%request.setCharacterEncoding("utf-8");%>
<%String StuNo=request.getParameter("stuid");%>
<%String stuName=request.getParameter("stuname");%>
<%String stuBirthday=request.getParameter("stubirthday");%>
<%String stuSex=request.getParameter("stusex");%>
<%String stuPoliticalStatus=request.getParameter(" stupoliticalstatus");%>
<%String stuIdentityCard=request.getParameter("stuidentitycard");%>
<%String stuSpeciality=request.getParameter("stuspeciality");%>
<%String stuAddress=request.getParameter("stuaddress");%>
<%String stuPostCode=request.getParameter("stupostcode");%>
<%String stuTelephone=request.getParameter("stutelephone");%>
<%String stuEmail=request.getParameter("stuemail");%>
<html>
<head>
  <title>添加学生信息</title>
    <% ResultSet rs;%>
<%
    String dbName = "student";
    String userName = "root";
    String userPasswd = "123456";
    String url = "jdbc:mysql://172.21.32.100/" + dbName + "?user=" + userName + "&password=" + userPasswd + "&useUnicode=true&characterEncoding=utf-8";
    Class.forName("com.mysql.cj.jdbc.Driver");
    Connection conn = DriverManager.getConnection(url);
    Statement statement = conn.createStatement();
    String sql_select="select * from student where stu_no="+StuNo;
    rs=statement.executeQuery(sql_select);
    if(rs.next()){
      out.print(" <script type='text/javascript'>alert('当前学号已存在');window.history.back(-1);</script>");
    }
    else{
        String  sql="INSERT into student(stu_no,stu_name,stu_sex,stu_politicalstatus,stu_birthday,"+"stu_identitycard,stu_speciality,stu_address,stu-postcode,stu_telephone,stu_email)\n"+
                "VALUES('"+StuNo+"','"+stuName+"','"+stuSex+"','"+stuPoliticalStatus+"','"+stuBirthday+""+"','"+stuIdentityCard+"','"+stuSpeciality+"','"+stuAddress+"','"+stuPostCode+"','"+stuTelephone+"','"+stuEmail+"')";
        sql="select * from student";
        rs=statement.executeQuery(sql);
    }
%>
</head>
<body>
<table border="1">
    <th colspan="7" style="font-size: x-large; alignment: center">学生信息表</th>
    <tr style="text-align: center">
        <td>学号</td>
        <td>姓名</td>
        <td>性别</td>
        <td>政治身份</td>
        <td>出生日期</td>
        <td>身份证号</td>
        <td>所在系部</td>
    </tr>
    <%while (rs.next()) { %>
    <tr style="text-align: center">
        <td><%= rs.getString(1)%>
        </td>
        <td><%= rs.getString(2)%>
        </td>
        <td><%= rs.getString(3)%>
        </td>
        <td><%= rs.getString("stu_politicalstatus")%>
        </td>
        <td><%= rs.getString("stu_birthday")%>
        </td>
        <td><%= rs.getString("stu_identitycard")%>
        </td>
        <td><%= rs.getString("stu_speciality")%>
        </td>
    </tr>
    <% }%>
    <%
        rs.close();
        statement.close();
        conn.close();
    %>
</table>

</body>
</html>